airwaves

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airwaves pl (plural only)

1. Radio-frequency electromagnetic waves, usually used in the context of wireless communication; radio waves.
2. Radio or television broadcasts.
   • 2006 August 25, Xubo Jiang, “Amateur radio enthusiasts search for missing mum”, in Beijing Review‎, number 273, →ISSN, →OCLC, page 2, column 1:

     ‘Ham’ amateur radio operators in Tiantongyuan, a community in northern Beijing, are using the airwaves to search for an elderly mum who has been missing for over a week.

   • 2019, Marina Hyde, “Chris Grayling is the Berk du Soleil as Farage maps out a road to nowhere”, in Guardian‎:

     On Tuesday, Nigel took to the airwaves to say that if the eventual choice was between May’s deal or remain, he wouldn’t campaign or vote – a threat arguably without bite for at least 48% of the country.